Hydronic zone controller



FIG. 1 is a perspective view of a first embodiment of the hydronic zone controller;

FIG. 2 is a front elevation view of the first embodiment of the hydronic zone controller of FIG. 1;

FIG. 3 is a front elevation view of the first embodiment of the hydronic zone controller of FIG. 1 with user interface elements added;

FIGS. 4-7 are left, right, top and bottom views, respectively, of the first embodiment of the hydronic zone controller of FIG. 1;

FIG. 8 is a perspective view of a second embodiment of the hydronic zone controller;

FIG. 9 is a front elevation view of the second embodiment of the hydronic zone controller of FIG. 8;

FIG. 10 is a front elevation view of the second embodiment of the hydronic zone controller of FIG. 8 with user interface elements added;

FIGS. 11-14 are left, right, top and bottom views, respectively, of the second embodiment of the hydronic zone controller of FIG. 8;

FIG. 15 is a perspective view of a third embodiment of the hydronic zone controller;

FIG. 16 is a front elevation view of the third embodiment of the hydronic zone controller of FIG. 15;

FIG. 17 is a front elevation view of the third embodiment of the hydronic zone controller of FIG. 15 with user interface elements added; and,

FIGS. 18-21 are left, right, top and bottom views, respectively, of the third embodiment of the hydronic zone controller of FIG. 15.

The portions illustrated in broken lines on the figures are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a hydronic zone controller, as shown and described. 